$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtwebengine.git /var/lib/mock/f41-build-861466-169783/root/chroot_tmpdir/scmroot/qt6-qtwebengine
Cloning into '/var/lib/mock/f41-build-861466-169783/root/chroot_tmpdir/scmroot/qt6-qtwebengine'...
$ git fetch origin 41a60ac75af0aebe72e9943515dc6e194c660716:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtwebengine
 * [new ref]         41a60ac75af0aebe72e9943515dc6e194c660716 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 41a60ac 6.8.0